Home / 776,379.88-1,164,589.02-215,413.48

Finding the Fourth Proportional to 776,379.88, 1,164,589.02 and 215,413.48

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Solution

The fourth proportional to 776,379.88, 1,164,589.02 and 215,413.48 is: 323,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,379.88 : 1,164,589.02 = 215,413.48 : x
  2. Step 2: Convert to fraction form
    776,379.88/1,164,589.02 = 215,413.48/x
  3. Step 3: Cross multiply
    776,379.88x = 1,164,589.02 × 215,413.48
  4. Step 4: Simplify right side
    776,379.88x = 250,868,173,567.99
  5. Step 5: Solve for x
    x = 250,868,173,567.99/776,379.88
  6. Step 6: Final answer
    x = 323,125.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.